(19)

(11)

EP 3 765 549 A1

(12)

(43) Date of publication: 20.01.2021 Bulletin 2021/03 (21) Application number: 18918577.0 (22) Date of filing: 18.05.2018

(51) International Patent Classification (IPC):  C08G 77/18(2006.01) C08L 83/04(2006.01) C08L 83/06(2006.01) C08K 3/10(2018.01) (86) International application number: PCT/CN2018/087419 (87) International publication number: WO 2019/218330 (21.11.2019 Gazette 2019/47)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Wacker Chemie AG 81737 München (DE)	(72) Inventors: YANG, Lei Shanghai 200233 (CN) NIE, Jian Shanghai 200233 (CN) (74) Representative: Deffner-Lehner, Maria et al Wacker Chemie AG Zentralbereich Patente, Marken und Lizenzen Hanns-Seidel-Platz 4 81737 München 81737 München (DE)